| Mucodyne and/or Equivalents | Carbocisteine, Mucodyne | 
| Mucodyne Syrup and/or Equivalents | Mucodyne Syrup | 
| Mucodyne Syrup Paediatric and/or Equivalents | Mucodyne Syrup Paediatric | 
| Multaq and/or Equivalents | Multaq | 
| Myambutol and/or Equivalents | Ethambutol, Myambutol | 
| Mycamine and/or Equivalents | Mycamine | 
| Mycobutin and/or Equivalents | Mycobutin | 
| Mydriacyl and/or Equivalents | Mydriacyl | 
| Myfortic and/or Equivalents | Mycophenolic Acid, Myfortic | 
| Myochrysine and/or Equivalents | Myocrisin | 
| Myochrysine Injection and/or Equivalents | Myochrysine, Sodium Aurothiomalate | 
| Myrbetriq and/or Equivalents | Betmiga, Myrbetriq | 
| Mysoline and/or Equivalents | Primidone, Apo-Primidone, Mysoline |